mb/google/puff: Drop devicetree entries identical to chipset.cb

Now that puff uses chipset devicetree references, remove all references
whose value is identical to the chipset devicetree default, since
they are pointless clutter.

TEST=tested with rest of patch train

Change-Id: I3a515f13df1252ed2b769a535da22a523c95c359
Signed-off-by: Matt DeVillier <matt.devillier@gmail.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/80141
Reviewed-by: Felix Singer <service+coreboot-gerrit@felixsinger.de>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
diff --git a/src/mainboard/google/puff/variants/baseboard/devicetree.cb b/src/mainboard/google/puff/variants/baseboard/devicetree.cb
index d3624df..16f94da 100644
--- a/src/mainboard/google/puff/variants/baseboard/devicetree.cb
+++ b/src/mainboard/google/puff/variants/baseboard/devicetree.cb
@@ -198,14 +198,9 @@
 	device cpu_cluster 0 on end
 
 	device domain 0 on
-		device ref system_agent on end
-		device ref igpu on  end
-		device ref dptf off end
-		device ref ipu off end
-		device ref thermal on end
-		device ref ufs off end
-		device ref gspi2 off end
-		device ref xhci on
+		device ref igpu		on end
+		device ref thermal	on end
+		device ref xhci		on
 			chip drivers/usb/acpi
 				register "desc" = ""Root Hub""
 				register "type" = "UPC_TYPE_HUB"
@@ -282,46 +277,25 @@
 				end
 			end
 		end
-		device ref xdci off end
-		device ref cnvi_wifi on
+		device ref cnvi_wifi	on
 			chip drivers/wifi/generic
 				register "wake" = "GPE0_PME_B0"
 				device generic 0 on end
 			end
 		end
-		device ref sdxc on  end
-		device ref i2c0 on  end
-		device ref i2c1 on  end
-		device ref i2c2 on  end
-		device ref i2c3 on  end
-		device ref heci1 on  end
-		device ref heci2 off end
-		device ref csme_ider off end
-		device ref csme_ktr off end
-		device ref heci3 off end
-		device ref heci4 off end
-		device ref sata on  end
-		device ref i2c4 on  end
-		device ref i2c5 off end
-		device ref uart2 off end
-		device ref emmc off end
-		device ref pcie_rp1 off end
-		device ref pcie_rp2 off end
-		device ref pcie_rp3 off end
-		device ref pcie_rp4 off end
-		device ref pcie_rp5 off end
-		device ref pcie_rp6 off end
-		device ref pcie_rp7 off end
-		device ref pcie_rp8 off end
-		device ref pcie_rp9 on
+		device ref sdxc		on end
+		device ref i2c0		on end
+		device ref i2c1		on end
+		device ref i2c2		on end
+		device ref i2c3		on end
+		device ref heci1	on end
+		device ref sata		on end
+		device ref i2c4		on end
+		device ref pcie_rp9	on
 			# X4 NVME
 			register "PcieRpSlotImplemented[8]" = "1"
 		end
-		device ref pcie_rp10 off end
-		device ref pcie_rp11 off end
-		device ref pcie_rp12 off end
-		device ref pcie_rp13 off end
-		device ref pcie_rp14 on
+		device ref pcie_rp14	on
 			# x4
 			chip drivers/wifi/generic
 				register "wake" = "GPE0_DW1_01"
@@ -329,9 +303,8 @@
 			end
 			register "PcieRpSlotImplemented[13]" = "1"
 		end
-		device ref uart0 on  end
-		device ref uart1 off end
-		device ref gspi0 on
+		device ref uart0	on end
+		device ref gspi0	on
 			chip drivers/spi/acpi
 				register "hid" = "ACPI_DT_NAMESPACE_HID"
 				register "compat_string" = ""google,cr50""
@@ -339,22 +312,20 @@
 				device spi 0 on end
 			end
 		end
-		device ref gspi1 on end
+		device ref gspi1	on end
 		device ref lpc_espi on
 			chip ec/google/chromeec
 				device pnp 0c09.0 on end
 			end
 		end
-		device ref p2sb on  end
-		device ref pmc hidden end
-		device ref hda on
+		device ref p2sb		on end
+		device ref hda		on
 			chip drivers/sof
 				register "jack_tplg" = "rt5682"
 				device generic 0 on end
 			end
 		end
-		device ref smbus on  end
-		device ref fast_spi on  end
-		device ref gbe off end
+		device ref smbus	on end
+		device ref fast_spi	on end
 	end
 end